Writing paper (back to nine squares)
ApplicationNo./PatentNo.: 200430028388
Date of application: March 3, 20041day
Open day:
Announcement date of authorization: 20041October 20, 65438.
Applicant/patentee: He Wei.
Applicant's address: No.58, Changjiang 1st Road, Yuzhong District, Chongqing, B 1 Dong 19-3.
Inventor: He Wei
Patent Agency: Chongqing Frontier Patent Office.
Agent: Guo Yun.
Patent type: design patent
Classification number: 190 1
Purchase address:
Thank you for your support of "learning Chinese characters back to nine grids". If necessary, please call the national general agent: 025-8528235013905159825 Mr. Wu. The unit price per copy is 38 yuan.